package com.atguigu.gulimall.product.exception;

import com.atguigu.common.exception.BizCodeEnum;
import com.atguigu.common.utils.R;
import lombok.extern.slf4j.Slf4j;
import org.springframework.validation.BindingResult;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.*;

import java.util.HashMap;
import java.util.Map;

/**
 * 集中处理所有异常
 * */
@Slf4j
@RestControllerAdvice(basePackages = "com.atguigu.gulimall.product.controller")//统一处理异常
//@ResponseBody
public class GulimallExceptionControllerAdvice {

    @ExceptionHandler(value= MethodArgumentNotValidException.class)
    public R handleVaildException(MethodArgumentNotValidException e){
        log.error("数据校验出现问题{},异常类型：{}",e.getMessage(),e.getClass());
        BindingResult bindingResult=e.getBindingResult();
        Map<String,String> errorMap=new HashMap<>();
        bindingResult.getFieldErrors().forEach((fieldError)->{
            errorMap.put(fieldError.getField(),fieldError. getDefaultMessage());
        });
        return R.error(BizCodeEnum.VAILD_EXCEPTION.getCode(),BizCodeEnum.VAILD_EXCEPTION.getMsg()).put("data",errorMap);
    }
//    @ExceptionHandler(value=Throwable.class)//处理全局异常
//    public R handleException(Throwable throwable){
//        log.error(throwable.getMessage());
//        return R.error(BizCodeEnum.UNKONW_EXCEPTION.getCode(),BizCodeEnum.UNKONW_EXCEPTION.getMsg());
//    }
}
